Home / 78,284.00-117,433.67-22,124.54

Finding the Fourth Proportional to 78,284.00, 117,433.67 and 22,124.54

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Solution

The fourth proportional to 78,284.00, 117,433.67 and 22,124.54 is: 33,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,284.00 : 117,433.67 = 22,124.54 : x
  2. Step 2: Convert to fraction form
    78,284.00/117,433.67 = 22,124.54/x
  3. Step 3: Cross multiply
    78,284.00x = 117,433.67 × 22,124.54
  4. Step 4: Simplify right side
    78,284.00x = 2,598,166,112.22
  5. Step 5: Solve for x
    x = 2,598,166,112.22/78,284.00
  6. Step 6: Final answer
    x = 33,188.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.